Photovoltaics are wonderful, but there are some far cheaper ways to www.diabetes.org.br harness the power of buy prescription levitra without the http://revistaneon.net/buying-real-levitra-without-prescription sun to do good work for us. Capturing the sun's heat with solar water heaters, for example, is a far cheaper way to reduce your electricity bills than trying to turn that power into electricity.
Well, a new company called Practical Solar wants to take that up another step, and simply use mirrors to focus sunlight on cambridgeacademyaz.com your home, to keep it warm in the winter. Of course, this only works for people who get direct sun in their yards, and who live in sunny but cold places, but that's not an insignificant number of people.
Two of these Practical Solar-controlled mirrors focused on a room (preferably through a window) would have the same effect, roughly, as a space heater. Use ten of them, and you could burn your house down! (Note to Practical solar...please password protect the control system to real levitra protect against vengeful neighbors.)
The devices also provide natural lighting at almost all times of the day, so one could save power that way as well. Of course, having a little sun in your yard shining white-hot light into your eyes might detract from the view out of your window, but it's better than a high heating bill!
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